What is ideal for my body to be tones quick?

Anonymous
I wonder if anyone can, I'm a 17 female waighing in at 9.13stone/127.82 pounds. I'm 5.5ft tall. I don't consider myself as overweight or anything and I personally have a very fast matbolism so the only time I really gain weight is when I eat dominos, MacDonalds etc VERY reguarly. So personally I don't need to go on crazy dieting or anything. All I need to do food wise is be careful on HOW MUCH crap food I take in.

I just started the gym... I have gone in Saturday and Sunday. The only thing I have done is cardio... Half an hour on the rowing machine and 10-15 mins on the cross trainers, bike and treadmill each day. Total of how many calories I burnt all together in 2 days is 850 Calories. Is that a good amount?

Okay, so my question is... Like what do I need to do to carry on? Like I go back to collage in September and I got 2 months to go to the gym. Is it possible to see some form of bikini body by then? If so, what do I do? Do I need to do crunches, planks and other simpleminded excersises like that I can simply do on the floor? Do I need to carry on with cardio? Like what do I need to do and HOW regularly :/

What is ideal for my body to be tones quick?
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